Fig. 6From: Impact on peri-implant connective tissue of laser treated versus traditional healing abutments: a human clinical trialsImmunohistochemical staining against MMP1, MMP3 and MMP13 in the machined and laser-treated surface (as indicated).​ Magnification 20x, scale bar 150 μm. The pictures are representative of 3 different randomly chosen fields E: epithelium, C: connective tissue​Back to article page